820 lines
22 KiB
HTML
820 lines
22 KiB
HTML
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<!DOCTYPE HTML>
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<html lang="" >
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<head>
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<meta charset="UTF-8">
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<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
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<title>Getting Started with GORM · GORM Guide</title>
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="description" content="">
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<meta name="generator" content="GitBook 3.2.2">
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<meta name="HandheldFriendly" content="true"/>
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
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<meta name="apple-mobile-web-app-capable" content="yes">
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<meta name="apple-mobile-web-app-status-bar-style" content="black">
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<link rel="shortcut icon" href="gitbook/images/favicon.ico" type="image/x-icon">
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<link rel="next" href="database.html" />
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</head>
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<body>
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<div class="book">
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<div class="book-summary">
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<div id="book-search-input" role="search">
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<input type="text" placeholder="Type to search" />
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</div>
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<nav role="navigation">
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<div class="book-summary">
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<nav role="navigation">
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<ul class="summary">
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<li class="chapter active" data-level="1.1" data-path="./">
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<a href="./">
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<b>1.1.</b>
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Getting Started with GORM
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</a>
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</li>
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<li class="chapter " data-level="1.2" data-path="database.html">
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<a href="database.html">
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<b>1.2.</b>
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Database
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.2.1" data-path="database.html">
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<a href="database.html#connecting-to-a-database">
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<b>1.2.1.</b>
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Database Connection
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</a>
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</li>
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<li class="chapter " data-level="1.2.2" data-path="database.html">
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<a href="database.html#migration">
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<b>1.2.2.</b>
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Migration
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.3" data-path="models.html">
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<a href="models.html">
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<b>1.3.</b>
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Models
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.3.1" data-path="models.html">
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<a href="models.html#model-definition">
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<b>1.3.1.</b>
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Model Definition
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</a>
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</li>
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<li class="chapter " data-level="1.3.2" data-path="models.html">
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<a href="models.html#conventions">
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<b>1.3.2.</b>
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Conventions & Overriding
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</a>
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</li>
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<li class="chapter " data-level="1.3.3" data-path="associations.html">
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<a href="associations.html">
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<b>1.3.3.</b>
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Associations
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.3.3.1" data-path="associations.html">
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<a href="associations.html#belongs-to">
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<b>1.3.3.1.</b>
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Belongs To
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</a>
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</li>
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<li class="chapter " data-level="1.3.3.2" data-path="associations.html">
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<a href="associations.html#has-one">
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<b>1.3.3.2.</b>
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Has One
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</a>
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</li>
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<li class="chapter " data-level="1.3.3.3" data-path="associations.html">
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<a href="associations.html#has-many">
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<b>1.3.3.3.</b>
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Has Many
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</a>
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</li>
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<li class="chapter " data-level="1.3.3.4" data-path="associations.html">
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<a href="associations.html#many-to-many">
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<b>1.3.3.4.</b>
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Many To Many
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</a>
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</li>
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<li class="chapter " data-level="1.3.3.5" data-path="associations.html">
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<a href="associations.html#polymorphism">
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<b>1.3.3.5.</b>
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Polymorphism
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</a>
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</li>
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<li class="chapter " data-level="1.3.3.6" data-path="associations.html">
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<a href="associations.html#association-mode">
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<b>1.3.3.6.</b>
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Association Mode
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</a>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.4" data-path="crud.html">
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<a href="crud.html">
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<b>1.4.</b>
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CRUD: Reading and Writing Data
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.4.1" data-path="crud.html">
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<a href="crud.html#create">
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<b>1.4.1.</b>
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Create
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</a>
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</li>
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<li class="chapter " data-level="1.4.2" data-path="crud.html">
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<a href="crud.html#query">
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<b>1.4.2.</b>
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Query
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</a>
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</li>
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<li class="chapter " data-level="1.4.3" data-path="crud.html">
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<a href="crud.html#preloading-eager-loading">
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<b>1.4.3.</b>
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Preloading (Eager Loading)
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</a>
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</li>
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<li class="chapter " data-level="1.4.4" data-path="crud.html">
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<a href="crud.html#update">
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<b>1.4.4.</b>
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Update
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</a>
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</li>
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<li class="chapter " data-level="1.4.5" data-path="crud.html">
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<a href="crud.html#delete">
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<b>1.4.5.</b>
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Delete / Soft Delete
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</a>
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</li>
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<li class="chapter " data-level="1.4.6" data-path="crud.html">
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<a href="crud.html#associations">
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<b>1.4.6.</b>
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Associations
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.5" data-path="callbacks.html">
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<a href="callbacks.html">
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<b>1.5.</b>
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Callbacks
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</a>
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</li>
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<li class="chapter " data-level="1.6" data-path="advanced.html">
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<a href="advanced.html">
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<b>1.6.</b>
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Advanced Usage
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.6.1" data-path="advanced.html">
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<a href="advanced.html#error-handling">
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<b>1.6.1.</b>
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Error Handling
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</a>
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</li>
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<li class="chapter " data-level="1.6.2" data-path="advanced.html">
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<a href="advanced.html#transactions">
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<b>1.6.2.</b>
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Transactions
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</a>
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</li>
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<li class="chapter " data-level="1.6.3" data-path="advanced.html">
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<a href="advanced.html#sql-builder">
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<b>1.6.3.</b>
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Raw SQL & SQL Builder
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</a>
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</li>
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<li class="chapter " data-level="1.6.4" data-path="advanced.html">
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<a href="advanced.html#generic-database-interface-sqldb">
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<b>1.6.4.</b>
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Generic database interface sql.DB
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</a>
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</li>
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<li class="chapter " data-level="1.6.5" data-path="advanced.html">
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<a href="advanced.html#compose-primary-key">
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<b>1.6.5.</b>
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Composite Primary Key
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</a>
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</li>
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<li class="chapter " data-level="1.6.6" data-path="advanced.html">
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<a href="advanced.html#logger">
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<b>1.6.6.</b>
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Overriding Logger
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.7" data-path="development.html">
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<a href="development.html">
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<b>1.7.</b>
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Development
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.7.1" data-path="development.html">
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<a href="development.html#architecture">
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<b>1.7.1.</b>
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Architecture
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</a>
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</li>
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<li class="chapter " data-level="1.7.2" data-path="development.html">
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<a href="development.html#write-plugins">
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<b>1.7.2.</b>
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Write Plugins
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.8" data-path="changelog.html">
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<a href="changelog.html">
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<b>1.8.</b>
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Change Log
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</a>
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</li>
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<li class="divider"></li>
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</ul>
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</nav>
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</div>
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</nav>
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</div>
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<div class="book-body">
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<div class="body-inner">
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<div class="book-header" role="navigation">
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<!-- Title -->
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<h1>
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<i class="fa fa-circle-o-notch fa-spin"></i>
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<a href="." >Getting Started with GORM</a>
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</h1>
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</div>
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<div class="page-wrapper" tabindex="-1" role="main">
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<div class="page-inner">
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<div id="book-search-results">
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<div class="search-noresults">
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<section class="normal markdown-section">
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<h1 id="gorm">GORM</h1>
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<p>The fantastic ORM library for Golang, aims to be developer friendly.</p>
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<p><a href="https://gitter.im/jinzhu/gorm?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge" target="_blank"><img src="https://badges.gitter.im/Join%20Chat.svg" alt="Join the chat at https://gitter.im/jinzhu/gorm"></a>
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<a href="https://app.wercker.com/project/bykey/0cb7bb1039e21b74f8274941428e0921" target="_blank"><img src="https://app.wercker.com/status/0cb7bb1039e21b74f8274941428e0921/s/master" alt="wercker status" title="wercker status"></a>
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<a href="https://godoc.org/github.com/jinzhu/gorm" target="_blank"><img src="https://godoc.org/github.com/jinzhu/gorm?status.svg" alt="GoDoc"></a></p>
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<h2 id="overview">Overview</h2>
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<ul>
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<li>Full-Featured ORM (almost)</li>
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<li>Associations (Has One, Has Many, Belongs To, Many To Many, Polymorphism)</li>
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<li>Callbacks (Before/After Create/Save/Update/Delete/Find)</li>
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<li>Preloading (eager loading)</li>
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<li>Transactions</li>
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<li>Composite Primary Key</li>
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<li>SQL Builder</li>
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<li>Auto Migrations</li>
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<li>Logger</li>
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<li>Extendable, write Plugins based on GORM callbacks</li>
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<li>Every feature comes with tests</li>
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<li>Developer Friendly</li>
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</ul>
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<h2 id="install">Install</h2>
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<pre><code class="lang-sh">go get -u github.com/jinzhu/gorm
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</code></pre>
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<h2 id="upgrading-to-v10">Upgrading To V1.0</h2>
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<ul>
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<li><a href="changelog.html">CHANGELOG</a></li>
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</ul>
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<h2 id="quick-start">Quick Start</h2>
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<pre><code class="lang-go"><span class="hljs-keyword">package</span> main
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<span class="hljs-keyword">import</span> (
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<span class="hljs-string">"github.com/jinzhu/gorm"</span>
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_ <span class="hljs-string">"github.com/jinzhu/gorm/dialects/sqlite"</span>
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)
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<span class="hljs-keyword">type</span> Product <span class="hljs-keyword">struct</span> {
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gorm.Model
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Code <span class="hljs-keyword">string</span>
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Price <span class="hljs-keyword">uint</span>
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}
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<span class="hljs-keyword">func</span> main() {
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db, err := gorm.Open(<span class="hljs-string">"sqlite3"</span>, <span class="hljs-string">"test.db"</span>)
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<span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
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<span class="hljs-built_in">panic</span>(<span class="hljs-string">"failed to connect database"</span>)
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}
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<span class="hljs-keyword">defer</span> db.Close()
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<span class="hljs-comment">// Migrate the schema</span>
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db.AutoMigrate(&Product{})
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<span class="hljs-comment">// Create</span>
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db.Create(&Product{Code: <span class="hljs-string">"L1212"</span>, Price: <span class="hljs-number">1000</span>})
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<span class="hljs-comment">// Read</span>
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<span class="hljs-keyword">var</span> product Product
|
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db.First(&product, <span class="hljs-number">1</span>) <span class="hljs-comment">// find product with id 1</span>
|
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db.First(&product, <span class="hljs-string">"code = ?"</span>, <span class="hljs-string">"L1212"</span>) <span class="hljs-comment">// find product with code l1212</span>
|
|
|
|
<span class="hljs-comment">// Update - update product's price to 2000</span>
|
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db.Model(&product).Update(<span class="hljs-string">"Price"</span>, <span class="hljs-number">2000</span>)
|
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|
|
<span class="hljs-comment">// Delete - delete product</span>
|
|
db.Delete(&product)
|
|
}
|
|
</code></pre>
|
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<h1 id="author">Author</h1>
|
|
<p><strong>jinzhu</strong></p>
|
|
<ul>
|
|
<li><a href="http://github.com/jinzhu" target="_blank">http://github.com/jinzhu</a></li>
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<li><a href="mailto:wosmvp@gmail.com" target="_blank">wosmvp@gmail.com</a></li>
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<li><a href="http://twitter.com/zhangjinzhu" target="_blank">http://twitter.com/zhangjinzhu</a></li>
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</ul>
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<h1 id="contributors">Contributors</h1>
|
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<p><a href="https://github.com/jinzhu/gorm/graphs/contributors" target="_blank">https://github.com/jinzhu/gorm/graphs/contributors</a></p>
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<h2 id="license">License</h2>
|
|
<p>Released under the <a href="https://github.com/jinzhu/gorm/blob/master/License" target="_blank">MIT License</a>.</p>
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